// 同事发送异步代码的次数
let ajaxTimes=0;
export const request=(params)=>{
  ajaxTimes++;
  //显示加载中 的效果
  wx.showLoading({
    title: '加载中',
    mask: true
  });
  //定义公共的url

  //url https://api-hmugo-web.itheima.net/api/public/v1/categories;
  const baseUrl = "https://api-hmugo-web.itheima.net/api/public/v1";
  return new Promise((resolve, reject) => {
    wx.request({
      ...params,
      url: baseUrl+params.url,
      success:(result)=>{
        resolve(result.data.message);
      },
      fail:(err)=>{
        reject(err);
      },
      complete:()=>{
        ajaxTimes--;
        if(ajaxTimes === 0){
          wx.hideLoading();
        }
      }
    })
  })
}